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All results from a given calculation for C3H4O (allenol)

using model chemistry: CCD/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/STO-3G
 hartrees
Energy at 0K-188.540526
Energy at 298.15K-188.543665
HF Energy-188.246850
Nuclear repulsion energy99.215732
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3700 3700 44.42      
2 A' 3398 3398 0.79      
3 A' 3330 3330 0.14      
4 A' 2108 2108 45.36      
5 A' 1647 1647 6.12      
6 A' 1585 1585 15.58      
7 A' 1439 1439 2.12      
8 A' 1212 1212 6.93      
9 A' 1000 1000 25.53      
10 A' 950 950 8.39      
11 A' 606 606 7.22      
12 A' 199 199 0.67      
13 A" 3451 3451 0.23      
14 A" 1113 1113 0.25      
15 A" 932 932 7.13      
16 A" 602 602 0.66      
17 A" 401 401 64.99      
18 A" 263 263 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 13968.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13968.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/STO-3G
ABC
1.33385 0.13902 0.12934

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.700 -0.471 0.000
C2 0.000 0.667 0.000
C3 -0.714 1.792 0.000
O4 0.149 -1.802 0.000
H5 1.812 -0.491 0.000
H6 -1.029 2.293 0.939
H7 -1.029 2.293 -0.939
H8 -0.861 -1.611 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8
C11.33592.66831.44071.11183.39263.39261.9329
C21.33591.33252.47352.14992.14112.14112.4351
C32.66831.33253.69613.40441.11001.11003.4058
O41.44072.47353.69612.11744.36334.36331.0281
H51.11182.14993.40442.11744.08664.08662.8978
H63.39262.14111.11004.36334.08661.87824.0185
H73.39262.14111.11004.36334.08661.87824.0185
H81.93292.43513.40581.02812.89784.01854.0185

picture of allenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.185 C1 O4 H8 101.762
C2 C1 O4 125.919 C2 C1 H5 122.624
C2 C3 H6 122.214 C2 C3 H7 122.214
O4 C1 H5 111.457 H6 C3 H7 115.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCD/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 C -0.040      
3 C -0.135      
4 O -0.242      
5 H 0.079      
6 H 0.070      
7 H 0.070      
8 H 0.179      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.148 0.773 -0.001
y 0.773 -23.509 -0.002
z -0.001 -0.002 -22.062
Traceless
 xyz
x 2.637 0.773 -0.001
y 0.773 -2.404 -0.002
z -0.001 -0.002 -0.234
Polar
3z2-r2-0.467
x2-y23.361
xy0.773
xz-0.001
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 90.404
(<r2>)1/2 9.508